People Directory

Stephen Hillis, PhD
Research Professor
Department of Biostatistics, Department of Radiology
University of Iowa
157 MRF
55 Grand South Ave
Iowa City, IA 52242
(641) 226-0968 (cell)

Stephen Hillis has been a Research Professor in the Department of Radiology since 2012. His educational background includes a PhD in statistics and an MFA in music, both from the University of Iowa. He is the author of 97 peer-reviewed publications and 4 book chapters.  For the last 19 years his research has focused on developing statistical methods for analyzing radiologic diagnostic studies that involve human readers. He was introduced to this field in 1999 when he began working with Don Dorfman in the Dept. of Psychology at the University of Iowa.

Claudia Mello-Thoms, MS, PhD
Research Associate Professor
Department of Radiology
University of Iowa Hospitals and Clinics
3984 JPP
200 Hawkins Drive
Iowa City, IA 52242
319-335-2390

Claudia Mello-Thoms received her joint PhD in 2001 from Rutgers University and the University of Medicine and Dentistry of New Jersey. She has worked at the University of Pennsylvania, University of Pittsburgh and University of Sydney, in Australia. In 2018 she joined the prestigious Image Perception laboratory at the Department of Radiology, University of Iowa. Her research interests are visual search, medical image perception and image understanding. She seeks to understand why errors occur in the reading of medical images, being these either radiological or pathological images.

Research Associate Professor
Department of Radiology
University of Iowa
3174 ML
25 South Grand Avenue
Iowa City, IA 52242
319-335-8489

Research Associate Professor in the Department of Radiology at the University of Iowa Roy J. and Lucille A. Carver College of Medicine. His educational background includes a Ph.D. in experimental psychology specializing in psychophysics and a master of computer science (M.C.S.) degree specializing in software engineering. Dr. Schartz has worked with Dr. Donald Dorfman and Dr. Kevin Berbaum since 1998 developing and maintaining the Dorfman, Berbaum, and Metz (DBM) software (RSCORE, CBM, and MRMC).

Mark Madsen, PhD
Professor Emeritus
Department of Radiology
University of Iowa Hospitals and Clinics
3567 JPP
200 Hawkins Drive
Iowa City, IA 52242
(319) 356-3373

Professor Emeritus in the Department of Radiology at the University of Iowa Roy J. and Lucille A. Carver College of Medicine. Dr. Madsen is a medical physicist with 25 years of experience in medical image processing and image reconstruction. He has extensive experience using Interactive Data Language to create displays of digital images of various types.